KR20020088361A - 광 픽업 장치 및 이것에 사용되는 대물 렌즈 - Google Patents

광 픽업 장치 및 이것에 사용되는 대물 렌즈 Download PDF

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Publication number
KR20020088361A
KR20020088361A KR1020020026344A KR20020026344A KR20020088361A KR 20020088361 A KR20020088361 A KR 20020088361A KR 1020020026344 A KR1020020026344 A KR 1020020026344A KR 20020026344 A KR20020026344 A KR 20020026344A KR 20020088361 A KR20020088361 A KR 20020088361A
Authority
KR
South Korea
Prior art keywords
objective lens
light source
light
optical
information recording
Prior art date
Application number
KR1020020026344A
Other languages
English (en)
Korean (ko)
Inventor
혼다고지
사까모또가쯔야
아따라시유이찌
오따고헤이
Original Assignee
코니카가부시끼가이샤
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2002124968A external-priority patent/JP2003281771A/ja
Application filed by 코니카가부시끼가이샤 filed Critical 코니카가부시끼가이샤
Publication of KR20020088361A publication Critical patent/KR20020088361A/ko

Links

Classifications

    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/127Lasers; Multiple laser arrays
    • G11B7/1275Two or more lasers having different wavelengths
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/18Diffraction gratings
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353Diffractive elements, e.g. holograms or gratings
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372Lenses
    • G11B7/1374Objective lenses
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/12Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/135Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1392Means for controlling the beam wavefront, e.g. for correction of aberration
    • G11B7/13922Means for controlling the beam wavefront, e.g. for correction of aberration passive
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B2007/0003Recording, reproducing or erasing systems characterised by the structure or type of the carrier
    • G11B2007/0006Recording, reproducing or erasing systems characterised by the structure or type of the carrier adapted for scanning different types of carrier, e.g. CD & DVD

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Head (AREA)
  • Lenses (AREA)
KR1020020026344A 2001-05-17 2002-05-14 광 픽업 장치 및 이것에 사용되는 대물 렌즈 KR20020088361A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JPJP-P-2001-00148313 2001-05-17
JP2001148313 2001-05-17
JPJP-P-2002-00124968 2002-03-25
JP2002124968A JP2003281771A (ja) 2002-03-25 2002-03-25 光ピックアップ装置

Publications (1)

Publication Number Publication Date
KR20020088361A true KR20020088361A (ko) 2002-11-27

Family

ID=26615287

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020020026344A KR20020088361A (ko) 2001-05-17 2002-05-14 광 픽업 장치 및 이것에 사용되는 대물 렌즈

Country Status (5)

Country Link
US (1) US7075880B2 (zh)
EP (1) EP1258871A3 (zh)
KR (1) KR20020088361A (zh)
CN (1) CN1244918C (zh)
TW (1) TWI237819B (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030214898A1 (en) * 2002-04-15 2003-11-20 Tetsuya Ogata Optical pickup device and optical disk drive using the same
JP4016089B2 (ja) * 2002-08-07 2007-12-05 ナルックス株式会社 光ピックアップ装置用対物レンズおよびその設計方法
JP2004185781A (ja) * 2002-12-06 2004-07-02 Pioneer Electronic Corp 光学装置及び光ピックアップ
WO2004097820A1 (ja) * 2003-04-28 2004-11-11 Matsushita Electric Industrial Co. Ltd. 光学ヘッドおよび光ディスク装置
US7313074B2 (en) 2003-06-30 2007-12-25 Ricoh Company, Ltd. Objective lens, optical, pickup and optical information processing apparatus using the same
KR20060110272A (ko) * 2003-11-04 2006-10-24 코니카 미놀타 옵토 인코포레이티드 광 픽업 장치 및 발산각 변환 소자
US20050201248A1 (en) * 2004-03-10 2005-09-15 Junichi Kitabayashi Optical pickup apparatus and an optical disc drive apparatus equipped with such an optical pickup
JP2006127721A (ja) * 2004-04-12 2006-05-18 Konica Minolta Opto Inc 対物レンズ、光ピックアップ装置及びカップリングレンズ
JP2006031902A (ja) 2004-07-21 2006-02-02 Sony Corp 集光光学系、これを用いた光学ピックアップ装置及び光記録再生装置
KR100680171B1 (ko) * 2005-01-25 2007-02-08 삼성전자주식회사 호환형 광픽업
US7224540B2 (en) * 2005-01-31 2007-05-29 Datalogic Scanning, Inc. Extended depth of field imaging system using chromatic aberration
JP2006318565A (ja) * 2005-05-12 2006-11-24 Konica Minolta Opto Inc 光ピックアップ装置
CN1993749B (zh) * 2005-07-20 2011-06-15 柯尼卡美能达精密光学株式会社 光拾取装置以及光信息记录介质的记录·再现装置
US7936697B2 (en) * 2007-08-30 2011-05-03 Bae Systems Information And Electronic Systems Integration Inc. Topology aware MANET for mobile networks

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5629799A (en) * 1992-07-16 1997-05-13 Asahi Kogaku Kogyo Kabushiki Kaisha Chromatic aberration correcting element and its application
US5349471A (en) * 1993-02-16 1994-09-20 The University Of Rochester Hybrid refractive/diffractive achromatic lens for optical data storage systems
US5757758A (en) * 1995-12-19 1998-05-26 Konica Corporation Optical pickup apparatus objective lens and converging optical system for optical pickup and optical disk apparatus
KR100206771B1 (ko) * 1995-12-29 1999-07-01 구자홍 광픽업장치
JPH10106016A (ja) * 1996-10-01 1998-04-24 Matsushita Electric Ind Co Ltd 光ピックアップ
DE69722951T2 (de) 1996-10-31 2004-05-19 Sanyo Electric Co., Ltd., Moriguchi Optische abtastvorrichtung
JP3827860B2 (ja) * 1998-03-31 2006-09-27 パイオニア株式会社 対物レンズ及び光ピックアップ装置
US6088322A (en) * 1998-05-07 2000-07-11 Broome; Barry G. Single objective lens for use with CD or DVD optical disks
JP4347959B2 (ja) * 1999-09-06 2009-10-21 Hoya株式会社 光情報記録再生装置
US6411587B1 (en) * 1999-10-08 2002-06-25 Konica Corporation Optical pickup optical system, optical pickup apparatus, coupling optical system, coupling optical system lens and recording/reproduction apparatus
CN1221956C (zh) * 1999-11-18 2005-10-05 柯尼卡株式会社 光拾取装置及物镜
US6496453B2 (en) * 2000-03-27 2002-12-17 Matsushita Electric Industrial Co., Ltd. Optical pickup
JP3861586B2 (ja) * 2000-11-06 2006-12-20 ソニー株式会社 光学ピックアップ装置及び記録再生装置

Also Published As

Publication number Publication date
TWI237819B (en) 2005-08-11
EP1258871A3 (en) 2006-04-19
US20030165107A1 (en) 2003-09-04
CN1244918C (zh) 2006-03-08
EP1258871A2 (en) 2002-11-20
CN1396589A (zh) 2003-02-12
US7075880B2 (en) 2006-07-11

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A201 Request for examination
E902 Notification of reason for refusal
E902 Notification of reason for refusal
E601 Decision to refuse application